Slepton Oscillation at Large Hadron Collider

Details Slepton Oscillation at Large Hadron Collider Slepton Oscillation at Large Hadron Collider

2002-02-14

arxiv.org/abs/hep-ph/0202129v2

Phys.Rev.D65:116002,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, 10 figures

Scientific paper

10.1103/PhysRevD.65.116002

Measurement of Lepton-Flavor Violation (LFV) in the minimal SUSY Standard Model (MSSM) at Large Hadron Collider (LHC) is studied based on a realistic simulation. We consider the LFV decay of the second-lightest neutralino, $\tilde{\chi}^0_2 \to \tilde{l} l' \to l l' \tilde{\chi}^0_1$, in the case where the flavor mixing exists in the right-handed sleptons. We scan the parameter space of the minimal supergravity model (MSUGRA) and a more generic model in which we take the Higgsino mass $\mu$ as a free parameter. We find that the possibility of observing LFV at LHC is higher if $\mu$ is smaller than the MSUGRA prediction; the LFV search at LHC can cover the parameter range where the $\mu \to e \gamma$ decay can be suppressed by the cancellation among the diagrams for this case.

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